GLboolean NV_conservative_raster_dilate;
GLboolean NV_conservative_raster_pre_snap_triangles;
GLboolean NV_conservative_raster_pre_snap;
+ GLboolean NV_viewport_array2;
GLboolean NV_viewport_swizzle;
GLboolean NVX_gpu_memory_info;
GLboolean TDFX_texture_compression_FXT1;